AWWA Standard

SM

®

Protective Interior Coatings for Valves and Hydrants

Effective date: Aug. 1, 2017.First edition approved by AWWA Board of Directors Jan. 25, 1981.This edition approved Jan. 14, 2017.Approved by American National Standards Institute Feb. 28, 2017.

ANSI/AWWA C550-17(Revision of ANSI/AWWA C550-13)

Copyright © 2017 American Water Works Association. All Rights Reserved.

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Committee Personnel

The AWWA Standards Committee on Valves and Hydrants, which reviewed and approved this standard, had the following personnel at the time of approval:

Jim Clevenger, Chair

General Interest Members

A. Ali, ADA Consulting, Surrey, B.C., Canada (AWWA)J. Clevenger, Dixon Engineering Inc., Albion, Ind. (AWWA)A. Fontana, Truesdail Laboratories Inc., Irvine, Calif. (AWWA)J. Hebenstreit, Underwriters Laboratories, Northbrook, Ill. (AWWA)C.H. Kirby, Lockwood, Andrews & Newnan Inc., Houston, Tex. (AWWA)D.D. Naomi, CPS Engineering & Land Inc., Lafayette, La. (AWWA)S.M. Passarelli,* Standards Engineer Liaison, AWWA, Denver, Colo. (AWWA)

Producer Members

L.R. Dunn, US Pipe & Foundry Company, Birmingham, Ala. (AWWA)P. Gifford, Mueller Co., Chattanooga, Tenn. (AWWA)T.C. Harbour,† Mueller Company, Decatur, Ill. (AWWA)R. Hasak, Tnemec Company, Kansas City, Mo. (AWWA)K. Huelsman, Clow Valve Company, Oskaloosa, Iowa (AWWA)K. Johnson,† M&H Valve Company, Anniston, Ala. (AWWA)R. Looney, American AVK Company, Minden, Nev. (AWWA)T.J. Mettler, Waterous Company, South St. Paul, Minn. (AWWA)D.B. Scott,† American Flow Control, Birmingham, Ala. (AWWA)J.H. Wilbur,† American AVK, Littleton, Colo. (AWWA)K.J. Wright, East Jordan Iron Works, East Jordon, Mich. (AWWA)

User Members

K.T. Browning, Orlando Utilities Commission, Orlando, Fla. (AWWA)M. Garcia,* Standards Council Liaison, Denver Water, Denver, Colo. (AWWA)S.J. Gilberg, City of Eagan, Eagan, Minn. (AWWA)

* Liaison, nonvoting† Alternate

Copyright © 2017 American Water Works Association. All Rights Reserved.

iv

J.C. Hall, City of Joliet, Joliet, Ill. (AWWA)M. MacConnell, Metro Vancouver Library, Burnaby, B.C., Canada (AWWA)M. Mahavongtrakul, SFPUC, City and County of San Francisco,

San Francisco, Calif. (AWWA)K.A. Nadeau, Connecticut Water Company, Clinton, Conn. (AWWA)M.K. Stankovich, City of Haverhill, Haverhill, Mass. (AWWA)

Copyright © 2017 American Water Works Association. All Rights Reserved.

v

ContentsAll AWWA standards follow the general format indicated subsequently. Some variations from this format may be found in a particular standard.

SEC. PAGE SEC. PAGE

ForewordI Introduction .................................... vii

I.A Background ..................................... vii

I.B History ............................................ vii

I.C Acceptance ...................................... vii

II Special Issues .................................. viii

III Use of This Standard ...................... viii

III.A Purchaser Options andAlternatives .............................. viii

III.B Modification to Standard ................. ix

IV Major Revisions ................................ ix

V Comments ....................................... ix

Standard

1 General

1.1 Scope ................................................ 1

1.2 Purpose ............................................. 2

1.3 Application ........................................ 2

2 References ........................................ 2

3 Definitions ....................................... 2

4 Requirements

4.1 Materials ........................................... 4

4.2 Coating Process ................................. 4

5 Verification

5.1 Test Procedures ................................. 5

5.2 Coating Repairs ................................ 7

5.3 Basis for Rejection ............................. 7

6 Delivery

6.1 Affidavit of Compliance .................... 7

Appendix

A Handling, Inspection, and Holiday Testing

A.1 Handling .......................................... 9

A.2 Inspection ......................................... 9

A.3 Holiday Testing ................................. 9

Table1 Schedule of Immersion Testing .......... 5

Copyright © 2017 American Water Works Association. All Rights Reserved.